In typical XTR fashion, the Shimano XTR SM-CRM90 Chainring is a sight to be seen. Shimano goes to great lengths with materials and design, putting their products through extensive testing and abuse before stamping them with the XTR title. These rings are specifically designed to be run on a 1x11 platform and feature Shimano's Dynamic Chain Engagement profile for smooth running, long life and flawless chain retention. The stainless steel teeth are shaped with chain retention in mind and are are taller and fatter than what you will see on 2x and 3x rings. These chainrings are compatible with XTR M9000 and M9020-1 cranksets only. They will also only function as they should when used with a Shimano Sil-Tec chain. Just like the XTR crank arms, the 34t and 36t rings are hollow for weight savings, but due to same inventive carbon re-enforcement and titanium construction, they lose none of their rigidity or performance. Use these chainrings to enjoy a 1x system that has that certain refinement only Shimano can bring.
Compatible with XTR M9000/9020-1 Cranks and Sil-Tec chains only. Available in 30, 32, 34 and 36 tooth versions. 30t and 32t rings are solid. 34t and 36t are hollow Carbon-reinforced titanium alloy Stainless steel teeth Bolts are not included (they come with the M9000-1 and M9020-1 cranksets) Four chainrings are available: 30 teeth 32 teeth 34 teeth
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